According to sources, the seven airports that are on the radar are Delhi, Mumbai, Ahmedabad, Chennai, Bengaluru, Hyderabad and Guwahati.

The alert says that terrorists might hatch conspiracy to hijack a plane too.

Terror groups are planning to attack seven Indian airports, intelligence sources said on Sunday.

According to sources, around seven airports are on the radar- Delhi, Mumbai, Ahmedabad, Chennai, Bengaluru, Hyderabad and Guwahati.

The alert says that terrorists might hatch conspiracy to hijack a plane too and can use small airstrips to fly.

Following this, authorities are aiming at strengthening security at small air strips. Based on intercepts, it has been learnt that new form of explosives can also be used. CISF and other concerned agencies are put on high alert.